update renovate config to handle graalvm image

Author: chingor13

renovate.json

@@ -38,6 +38,7 @@
     ".kokoro/nightly/graalvm-native*.cfg",
     ".kokoro/nightly/graalvm-sub-jobs/native*/common.cfg",
     ".kokoro/presubmit/graalvm-native*.cfg",
+    ".kokoro/presubmit/*-graalvm-native-presubmit.cfg",
     "owl-bot-postprocessor/synthtool/gcp/templates/java-library/.kokoro/presubmit/graalvm-native*.cfg",
     ".github/workflows/ci.yaml",
     ".github/workflows/generated_files_sync.yaml",
@@ -49,6 +50,7 @@
       "managerFilePatterns": [
         "/^.kokoro/nightly/graalvm-native.*.cfg$/",
         "/^.kokoro/presubmit/graalvm-native.*.cfg$/",
+        "/^.kokoro/presubmit/*-graalvm-native-presubmit.cfg$/",
         "/^.kokoro/nightly/graalvm-sub-jobs/native.*/common.cfg$/",
         "/^owl-bot-postprocessor/synthtool/gcp/templates/java-library/.kokoro/presubmit/graalvm-native.*.cfg$/"
       ],